Submission #1069339

#	Time	Username	Problem	Language	Result	Execution time	Memory
1069339		mariaclara	Rarest Insects (IOI22_insects)	C++17	0 / 100	1 ms	344 KiB

insects

#include "insects.h"
#include<bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<int,int> pii;
#define all(x) x.begin(), x.end()
#define sz(x) (int)x.size()
#define mk make_pair
#define pb push_back
#define fr first
#define sc second

int min_cardinality(int N) {
    srand(5465310);

    vector<int> ord(N), vis(N);
    for(int i = 0; i < N; i++) ord[i] = i;

    random_shuffle(all(ord));

    int ans = N;

    for(int i = 0; i < N; i++) {
        if(vis[ord[i]]) continue;
        move_inside(ord[i]);
        int at = 1;

        for(int j = i+1; j < N; j++) {
            if(vis[j]) continue;

            move_inside(ord[j]);
            if(press_button() == 2) at++, vis[j] = 1;
            move_outside(ord[j]);
        }

        move_outside(ord[i]);
        ans = min(ans, at);
        if(ans == 1) break;
    }

    return ans;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 15
• Subtask 3: 0 / 75